Apple’s iPhone sales have stopped growing and more than half its users still haven’t upgraded to a 6 or 6s. As the mobile market matures and the rate of technological advancement slows, even companies like Apple may feel the impact.

Apple is reportedly prepping a new, smaller iPhone that combines a smaller 4-inch screen with updated internals. It’s intended the anti-phablet crowd to upgrade, while simultaneously blending older and newer hardware in the same device.